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53120244 = 2236536779
BaseRepresentation
bin1100101010100…
…0110011110100
310200221210021110
43022220303310
5102044321434
65134315020
71213341342
oct312506364
9120853243
1053120244
1127a92031
1215958a70
13b00b6c8
1470aa992
1549e44e9
hex32a8cf4

53120244 has 24 divisors (see below), whose sum is σ = 124155360. Its totient is φ = 17677024.

The previous prime is 53120231. The next prime is 53120251. The reversal of 53120244 is 44202135.

53120244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53120244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4447 + ... + 11225.

It is an arithmetic number, because the mean of its divisors is an integer number (5173140).

Almost surely, 253120244 is an apocalyptic number.

It is an amenable number.

53120244 is an abundant number, since it is smaller than the sum of its proper divisors (71035116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53120244 is a wasteful number, since it uses less digits than its factorization.

53120244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439 (or 7437 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 53120244 is about 7288.3636023459. The cubic root of 53120244 is about 375.9124305651.

Adding to 53120244 its reverse (44202135), we get a palindrome (97322379).

The spelling of 53120244 in words is "fifty-three million, one hundred twenty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 653 1306 1959 2612 3918 6779 7836 13558 20337 27116 40674 81348 4426687 8853374 13280061 17706748 26560122 53120244